W79E225A_08 Datasheet, PDF (8/203 Pages) Winbond – 8-bit Microcontroller

Preliminary W79E225A/226A/227A Data Sheet
4. PIN CONFIGURATION
MISO, AD0, P0.0
MOSI, AD1, P0.1
SPCLK, AD2, P0.2
SS, AD3, P0.3
INT2, AD4, P0.4
INT3, AD5, P0.5
INT4, AD6, P0.6
INT5, AD7, P0.7
XTAL1
XTAL2
VSS
ALE
48 47 46 45 44 43 42 41 40 39 38 37
1
36
2
35
3
34
4
33
5
W79E225
32
6
W79E226
31
7
W79E227
30
8
(LQFP 48-Pin)
29
9
28
10
27
11
26
12
25
13 14 15 16 17 18 19 20 21 22 23 24
P3.0, RXD
P3.1, TXD
P3.2, INT0
P3.3, INT1
P3.4, T0, IC0, QEA
P3.5, T1, IC1, QEB
P3.6, WR
P3.7, RD
P4.2
P4.3
EA
VDD
Publication Release Date: April 15, 2008
-8-
Revision A4.0